Hammer Loop Road

Hammer Loop Road in Platina, California is graded at 164 corners, about 26 for every mile you drive. 72 of them are genuinely tight (44% of the road), and the sharpest turns in at a 10 m radius. There is no real rest on it — the longest straight is only 80 m before the next corner.

Graded corners

164

Tight (1–2)

72

Tightest radius

10 m

Corners per mile

26

Corners are graded from the route’s own geometry on the rally 1–6 scale, where 1 is a hairpin. Road & Rally calls them out as you drive.